Injection mold According to the molding characteristics of the two types of thermosetting plastic mold, thermoplastic plastic mold; According to the molding process to differentiate between plastic mold, blow molding, casting mold, hot molding die, hot pressing mold (plastic mold), injection mold, etc. among them, the hot-pressing mold can be divided into overflow, half overflow, no overflow type three, injection mold to the gating system can be divided into cold flow channel mold, hot runner mold two kinds, according to the loading and unloading method can be divided into mobile, fixed type.